i'm here with paul, a research astronomer with nasa's near-earth object program. paul, let's get this out of the way. does this threaten earth? is it going to impact earth? >> no, we've been tracking this closely for a year and we know it will not hit the earth. >> what about the satellites? could it threaten the satellites out there? >> it is coming within the ring of tv satellites, but it's fairly far away from the majority, the beehive of satellites close to the earth, so we think that hitting a satellite is a very rare oprtunity. we don't think this will happen. >> all right, paul. good luck monitoring it and we'll be watching it closely. what paul and the others here tell us is you're not going to be able to see this with the naked eye. you'll need a telescope, at least in the northern hemisphere to see this and you'll have to wait until after sunset on friday because the asteroid will be moving away from earth at a very rapid rate of speet. they'll be using that tracking antenna to get a visual of the asteroid and measure its depth and its length. they only